<template>
  <view class="goods-item">
    <!-- 左侧盒子 -->
    <view class="goods-item-left">
      <radio :checked="goods.goods_state" color="#C00000" v-if="showRadio" @click="radioChangeHandler"></radio>
      <image :src="goods.goods_small_logo || defaultPic" class="goods-pic"></image>
    </view>
    <!-- 右侧盒子 -->
    <view class="goods-item-right">
      <!-- 商品名字 -->
      <view class="goods-name">
        {{goods.goods_name}}
      </view>
      <!-- 价格 -->
      <view class="goods-info-box">
        <view class="goods-prive">
          ￥{{goods.goods_price | tofixed}}
        </view>
         <uni-number-box :min="1" :value="goods.goods_count" v-if="showNum" @change="numChangeHandler"></uni-number-box>
      </view>
    </view>
   </view>
</template>
<script>
  export default {
    props:{
      goods:{
        type: Object,
        default:{}
      },
      showRadio:{
        type:Boolean,
        default:false
      },
      showNum:{
        type:Boolean,
        default:false
      }
    },
    data() {
      return {
      // 默认图片
      defaultPic: 'https://img3.doubanio.com/f/movie/8dd0c794499fe925ae2ae89ee30cd225750457b4/pics/movie/celebrity-default-medium.png',
      }
    },
    filters: {
      // 把数字处理为带两位小数点的数字
      tofixed(num) {
        return Number(num).toFixed(2)
      }
    },
    methods:{
      // 这是radio组件的点击事件
      radioChangeHandler(){
        this.$emit('radio-change',{
          goods_id:this.goods.goods_id,
          goods_state: !this.goods.goods_state
        })
      },
      numChangeHandler(val) {
         // 通过 this.$emit() 触发外界通过 @ 绑定的 num-change 事件
            this.$emit('num-change', {
              // 商品的 Id
              goods_id: this.goods.goods_id,
              // 商品的最新数量
              goods_count: +val
            })
      }
    }
  }
</script>
<style lang="scss">
  .goods-item {
    width: 750rpx;
    box-sizing: border-box;
    display: flex;
    padding: 10px 5px;
    border-bottom: 1px solid #f0f0f0;
    .goods-item-left{
      margin-right: 5px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      .goods-pic{
        width: 100px;
        height: 100px;
        display: block;
      }
    }
    .goods-item-right{
      display: flex;
      flex: 1;
      flex-direction: column;
      justify-content: space-between;
      .goods-name{
        font-size: 13px;
      }
      .goods-info-box{
        display: flex;
        align-items: center;
        justify-content: space-between;
        .goods-prive{
          color: #C00000;
          font-size: 16px
        }
      }
    }
  }
</style>
